. 7. An infinitely long, straight string has a uniform linear charge density of A expressed...

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. 7. An infinitely long, straight string has a uniform linear charge density of A expressed in C/m. A sphere of radius R has its center at a point on the string. What is the electric flux through the sphere? a) Φ=AR/2περ b) Þ=X/2TEOR c) Þ=XR/2€0 =λ/€0 e) Ⓡ=2XR/€0 d) Consider two points A and B. An electric field points from B towards A, and is constant in magnitude, so that EB = EA. How are the electric potentials at A and B related? a) VB = VA b) VB > VA c) VB < VA d) VB < VA only if a positive charge is moved from B to A e) VB = V₁ only if a negative charge is moved from B to A A E B . 7. An infinitely long, straight string has a uniform linear charge density of A expressed in C/m. A sphere of radius R has its center at a point on the string. What is the electric flux through the sphere? a) Φ=AR/2περ b) Þ=X/2TEOR c) Þ=XR/2€0 =λ/€0 e) Ⓡ=2XR/€0 d) Consider two points A and B. An electric field points from B towards A, and is constant in magnitude, so that EB = EA. How are the electric potentials at A and B related? a) VB = VA b) VB > VA c) VB < VA d) VB < VA only if a positive charge is moved from B to A e) VB = V₁ only if a negative charge is moved from B to A A E B

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